AS2152 CENIC

United States CALREN-DC ARIN 160 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

2,011,904

IPv6 /48 networks

65,536

RPKI

5 valid156 no ROA

Peers and downstreams

100

Holder

AS name: CALREN-DC
Description: CENIC CalREN Digital California (DC)
Organisation: CENIC
Abuse contact: Not published
Assigned: 2024-07-07
Registered: 2024-07-08
Record last changed: 2024-07-08 21:00 UTC

104.249.91.0/24 104.249.94.0/24 130.150.0.0/16 130.157.0.0/16 130.157.0.0/19 130.157.128.0/17 130.157.32.0/19 130.157.64.0/18 130.166.0.0/16 130.166.51.0/24 130.182.0.0/16 130.191.0.0/16 130.212.0.0/16 130.65.0.0/16 130.86.2.0/23 132.241.0.0/16 132.241.61.0/24 134.139.0.0/16 134.139.1.0/24 134.139.2.0/24 134.154.0.0/16 134.154.1.0/24 134.154.120.0/21 134.154.2.0/24 134.154.206.0/24 134.154.222.0/24 136.168.0.0/16 136.228.176.0/24 137.145.0.0/16 137.150.0.0/16 137.151.0.0/16 137.151.252.0/23 137.164.0.0/16 137.164.16.0/24 137.164.18.0/24 137.164.20.0/24 137.164.22.0/24 137.164.23.0/24 137.164.24.0/24 137.164.241.0/24 137.164.242.0/23 137.164.244.0/22 137.164.248.0/22 137.164.252.0/23 137.164.254.0/24 137.164.29.0/24 137.164.30.0/24 137.164.31.0/24 137.164.32.0/21 137.164.40.0/22 139.182.0.0/16 141.174.90.0/24 144.37.0.0/16 144.37.0.0/17 144.37.128.0/17 146.244.0.0/16 146.244.148.0/24 146.244.150.0/24 146.74.92.0/22 147.144.0.0/16 147.144.0.0/17 147.144.128.0/17 155.135.0.0/16 160.227.0.0/17 160.227.128.0/17 160.227.129.0/24 160.227.130.0/24 160.227.20.0/22 163.150.244.0/23 163.150.246.0/24 165.196.0.0/16 165.74.16.0/20 192.104.166.0/24 192.111.213.0/24 192.174.2.0/24 192.174.3.0/24 192.189.45.0/24 192.189.46.0/24 192.189.47.0/24 192.189.48.0/24 192.190.45.0/24 192.207.184.0/24 192.86.78.0/24 198.102.103.0/24 198.137.151.0/24 198.137.152.0/24 198.175.250.0/24 198.188.0.0/16 198.189.0.0/16 198.202.144.0/24 198.202.145.0/24 198.32.248.0/24 198.32.251.0/24 198.49.104.0/24 198.62.142.0/24 199.245.155.0/24 204.102.0.0/16 204.17.179.0/24 204.48.132.0/24 204.48.133.0/24 204.69.1.0/24 204.69.3.0/24 204.69.4.0/24 204.69.5.0/24 204.75.249.0/24 204.75.250.0/23 204.75.250.0/24 204.75.251.0/24 204.75.252.0/22 204.75.252.0/24 204.75.253.0/24 204.75.254.0/24 204.75.255.0/24 204.89.147.0/24 205.154.0.0/16 205.155.0.0/16 206.15.224.0/23 206.15.226.0/23 206.15.228.0/23 206.15.235.0/24 206.15.236.0/22 206.15.240.0/24 206.15.243.0/24 206.15.245.0/24 206.15.246.0/24 206.15.251.0/24 206.15.254.0/23 206.224.224.0/19 206.78.236.0/22 207.163.100.0/22 207.163.104.0/23 207.163.109.0/24 207.163.110.0/23 207.163.112.0/22 207.166.0.0/24 207.166.1.0/24 207.166.18.0/23 207.166.2.0/23 207.166.20.0/24 207.166.22.0/24 207.166.55.0/24 207.166.58.0/24 207.166.60.0/24 207.166.62.0/24 207.166.9.0/24 207.233.0.0/17 207.62.0.0/16 207.99.139.0/24 209.129.0.0/16 209.132.147.0/24 209.132.158.0/24 209.132.159.0/24 209.188.128.0/17 216.231.241.0/24 64.39.112.0/20 69.48.214.0/23 69.48.215.0/24 76.78.124.0/24 76.78.125.0/24 76.78.96.0/21

AS16
AS24
AS25
AS31
AS52
AS131
AS195
AS257
AS299
AS567	N-Lnet ASN-LNET-AS
AS2037	California State University at Fresno CSUFRESNO
AS2153	CENIC CENIC-2153
AS2920	Los Angeles County Office of Education LACOE
AS3734	Santa Clara County Office of Education SCCO
AS5653	University of California San Francisco UCSF
AS5739	University of California, Santa Cruz UCSC
AS5783	Kern County Superintendent of Schools KCSOS-NET
AS6099	Alameda County Office of Education BAE-NET-ASN
AS6106	University of California, Riverside UCR-EDU
AS6192	University of California, Davis UCDAVIS-CORE
AS6360	University of Hawaii UNIVHAWAII
AS6492	Pccd PCCD
AS7377	University of California, San Diego UCSD
AS7941	Internet Archive INTERNET-ARCHIVE
AS7960	California Polytechnic State University CALPOLY-NET-ENS
AS10294	Cccd CCCD-AS
AS10867	Foothill-DeAnza Community College District FHDA-AS
AS11159	Los Angeles Public Library LAPL-LAPUBLICLIBRARY
AS11188	LOS ANGELES COUNTY - INTERNAL SERVICESDIVISION LACOUNTY-ISD
AS11293	University of California - Office of the President UCOP-ASN
AS13940	San Joaquin County Office of Education SJCOE
AS14212	Santa Cruz County Office of Education SANTA-CRUZ-EDNET
AS14213	Monterey County Office of Education MONTEREY-BAY-K12
AS14255	University of San Diego AS-USD
AS16573	Santa Monica Community College District SMCC
AS17369	Chapman University CHAPNET
AS18558	Riverside County Office of Education NETBLK-RCOEK
AS18760	City of Rancho Cucamonga AS18760
AS18975	Stanislaus County Office of Education STANCOEORG95354
AS21545	Kings County Office of Education KCOENET
AS21694	Fresno County Office of Education FRESNOCOE
AS21708	San Diego County Office of Education SDCOE
AS21828	Tulare County Office of Education TCOE
AS21915	Merced County Office of Education MCOEORG95340
AS22063	J. Paul Getty Trust JPGT-22063
AS22226	San Francisco Unified School District SFUSD
AS22315	San Bernardino County Superintendent of Schools SBCSS
AS22323	University of California, Merced UNIVERSITY-OF-CALIFORNIA-MERCED
AS22768	SYNERGY BROADBAND SYNERGYBROADBAND-MI-02
AS23024	Orange County Department of Education OCDE
AS23065	Santa Barbara County Education Office SBCEO
AS23117	Imperial County Office of Education ICOE-NETWORK
AS23309	Contra Costa County Office of Education CCCOE-NET
AS23323	Net-Dvc NET-DVC
AS23369	Sonoma County Office of Education SCOE
AS23483	Shasta County Office of Education SHASTACOE
AS23489	Marin County Office of Education MARINK12
AS25664	Solano County Office of Education SCOE-ASN-25664
AS26066	Napa Valley Unified School District NVUSD
AS26403	Madera County Office of Education MADERACOE
AS26488	Santa Clara University SCU-ASN
AS26492	VCCCD VCCCD-NET
AS27502	Madera County Office of Education CHOWCHILLADIST
AS29878	Community Hospital of the Monterey Peninsula CHMP-ASN
AS30193	Los Angeles Unified School District LAUSD-AS
AS30679	California State Polytechnic University - Pomona CPPNET
AS31764	OAKLAND UNIFIED SCHOOL DISTRICT OAKLAND-USD-NET
AS32361	UltraLight ULTRALIGHT
AS32933	Ceres Unified School District CERES-UNIFIED-SCHOOL-DISTRICT
AS39941	Pacific Wave PACIFIC-WAVE
AS40498	New Mexico Lambda Rail, Inc. ABQG
AS46290	MtSAC MTSAC
AS46357	California Polytechnic State University CALPOLY-NETLAB
AS46425	Svmh SVMH-AS
AS46749	Stanford University STANFORD-INTERNET-ACCESS
AS46750	Stanford University STANFORD-INTERNET-ACCESS2
AS46985	The Regents of the University of California - University of California, San Diego. HPWREN
AS54048	Vast Networks CVIN
AS54179	Ventura County Office of Education VCOE
AS54192	Montebello Unified School District MONTEBELLO-USD
AS55032	Jaxnet-Bh-01 JAXNET-BH-01
AS63331	Lbl-2 LBL-2
AS63435	County of Monterey MONTEREY-AS-01
AS393282	University of California at Berkeley UCB-1
AS393425	California Academy of Sciences CALACADEMY-NET
AS394435	Alameda County Library ACLIBRARY
AS395148	PACIFIC LIGHTWAVE, A CALIFORNIA CORPORATION PACLW
AS395226	Sacramento County Office of Education SACRAMENTO-COE
AS396310	San Diego State University SDSU-SCIENCE-NETWORK
AS396465	California State University, Sacramento SACSTATE
AS399574	Rccd-Asn RCCD-ASN
AS400452	University of California Davis Medical Center UC-DAVIS-HEALTH

Routing changes

Last 30 days

2026-10-04 07:37 UTC	New neighbour	AS18760	downstream
2026-10-04 07:37 UTC	Relationship changed	AS8220	upstream to peer
2026-10-04 07:37 UTC	Relationship changed	AS396450	upstream to peer
2026-10-04 07:37 UTC	Relationship changed	AS2516	upstream to peer

WHOIS

aut-num:        AS2152
as-name:        CENIC-2152
handle:         AS2152
registrant:     CENIC (CENIC)
last changed:   2024-07-08T17:00:24-04:00
registration:   2024-07-08T17:00:24-04:00
source:         ARIN (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from ARIN RDAP

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/2152

const res = await fetch('https://ip-fd.net/api/v1/asn/2152', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/2152', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/2152');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/2152", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

Works without a key at a lower rate. Get a free key.

AS3356	Level 3 Parent, LLC LEVEL3
AS6461	Zayo Bandwidth ZAYO-6461
AS6939	Hurricane Electric LLC HURRICANE
AS11164	Internet2 INTERNET2-I2PX

AS1828	Unitas Global UNITAS
AS2153	CENIC CENIC-2153
AS2516	KDDI CORPORATION KDDI
AS8220	COLT Technology Services Group Limited COLT
AS19151	BroadbandONE, LLC BBO-1
AS49544	i3D.net B.V i3Dnet
AS199524	G-Core Labs S.A. GCORE
AS396450	Internet2 INTERNET2-2